Software
How would I convert the plots on ezCon from ezRA (Easy Radio Astronomy Software written by Ted Cline) into dB?
In ezRA’s ezCon, the plotted values are usually displayed in the raw linear units from the processed data files. If you want to express them in decibels (dB), the conversion…
If anyone is having trouble with BlurXterminator plug-in for Pixinsight after the recent update (May 2026) this is what you have to do to get it working again
If anyone is having trouble with Blurxterminator in Pixinsight after the update this is what you have to do to get it working again by replacing the Tensorflow file in…
The Rational Resampler in GNU Radio is a DSP block used to change a signal’s sample rate by a precise fractional (rational)
Stephen Arbogast has noted an error in the BAA GNU Radio for Amateur Radio Astronomy meeting last Monday and sent me the following information: A rational re-sampler block does not…
Measuring Solar Differential Rotation with JSol’Ex software and the Sol’Ex Spectroheliograph.
This is a condensed summary of key ideas discussed in Cedric Champeau’s blog post of the same name, found at https://melix.github.io/blog/, and where further detailed information on this subject can…
Can I make single distributable out of GNU Radio script with relevant parts GNU Radio?
Results of Microsoft Copilot AI search 15/5/2026. I do not know whether this works. Yes, it is possible to create a single distributable executable or package from a GNU Radio…
Possible GNU Radio implementation of 2nd order polynomial baseline flattening
In GNU Radio, “2nd order baseline flattening” isn’t a single built-in block—you implement it by estimating a quadratic trend and subtracting it from your signal. Here are the practical ways…
Internet Based Resources to go with exercises in Practical SDR Book (Course textbook on BAA GNU Radio Group)
https://www.astronomy.me.uk/wp-content/uploads/2026/04/Resources-from-Practical-SDR-website.zip
GNU Radio Glowgraph on dedispersion
📡 GNU Radio Dedispersion Flowgraph (ASCII) 🧠 Dedispersion Core Idea (ASCII) Dispersion delay: Convert to samples: Each channel is delayed differently, then aligned and summed. 🧩 Key Block Notes Signal…
Linux pyrtlsdr no longer available – what can be used instead during installation of ezRA?
I collect data with free Linux PCs. I find my Windows 10 PC is running Python 3.9.4, which does not show a problem. I see available Win11 Python version 3.12…